Mammalia n.
1773, from Modern Latin (Linnaeus), from neuter plural of Late Latin mammalis, from mamma (see mammal).
Examples from the Web for mammalia Historical Examples of mammalia
The other species of mammalia are generally hotter than human beings.
Jules Verne
The Morphology and Distribution of the wandering cells of Mammalia.
Paul Ehrlich
As for men, they would have existed only in treatises on the mammalia.
The Atlantic Monthly, Volume 14, No. 83, September, 1864
Various
We know more about the feathered tribes than the mammalia of Mexico.
W.H.G. Kingston
Maule appealed to the court: ‘My lords, we are vertebrate animals, we are mammalia!
John Bartlett